package com.cloudwebrtc.util;

import java.security.MessageDigest;

public class MD5Util {
	
	  public final static String MD5(String s) {
	        char hexDigits[] = { '0', '1', '2', '3', '4',
	                             '5', '6', '7', '8', '9',
	                             'a', 'b', 'c', 'd', 'e', 'f' };
	        try {
	            byte[] btInput = s.getBytes();
	            MessageDigest mdInst = MessageDigest.getInstance("MD5");
	            mdInst.update(btInput);
	            byte[] md = mdInst.digest();
	            int j = md.length;
	            char str[] = new char[j * 2];
	            int k = 0;
	            for (int i = 0; i < j; i++) {
	                byte byte0 = md[i];
	                str[k++] = hexDigits[byte0 >>> 4 & 0xf];
	                str[k++] = hexDigits[byte0 & 0xf];
	            }
	            return new String(str);
	        }
	        catch (Exception e) {
	            // e.printStackTrace();
	            return null;
	        }
	    }
}
